SEM(4) | Device Drivers Manual | SEM(4) |
sem
— POSIX
semaphores
The POSIX semaphore code is included by default in all kernels.
The sem
facility provides system calls
used by the standard C library (libc) to implement POSIX semaphores.
config(1), sem_destroy(3), sem_getvalue(3), sem_init(3), sem_open(3), sem_post(3), sem_wait(3), options(4)
The sem
facility appeared as a kernel
option in NetBSD 2.0 and became non-optional in
NetBSD 7.0.
August 20, 2015 | NetBSD 10.99 |